Sonner Audio Allegro MkII 2-way Reference Speakers

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Introducing the Marvelous Sonner Audio Allegro MkII Reference stand mount Speakers.

True Audiophile

As the saying goes - hearing is believing. And these speakers do not disappoint. -- True Audiophile mini review 

Mono & Stereo review

The Allegros arrived with twenty-six inch high, three-legged Sound Organization stands and spikes.  There’s a small rectangular panel that mounts on the front of the stands.  Wilson Audio used the same tactic to improve the bass on the original Wilson WATT.  This combination placed the tweeters at ear level.  The speakers are ported, and placing them closer than two feet to the rear wall boosted mid-bass, at the cost of some smoothness.  I found that the sound balance was better with the speaker out into the room.  Angling the cabinets in about 15 degrees sharpened the focus. 
My impressions at AXPONA were confirmed by listening at home.  The Allegro Unum is detailed without being irritating.  That’s intelligent design and driver selection at work.  It possesses a great sense of rhythm and allows the music to flow smoothly.  This is certainly a speaker you can listen to all evening with pleasure.  
The Allegro produces a very broad soundstage, and admirable depth.  In fact, there was little this speaker couldn’t do in a moderate sized room except produce lots of bass and thunderous dynamics. 

Fashioned by lovers of music, our speakers aim to channel all the sensations of live music directly to your living room. Feel the music so close you can almost touch it. Hear the fingers of the artist move across their instrument. Envision the size of the stage or studio. Experience music like never before.

Our sleek and minimalistic designs complement any decor, meaning you can focus solely on enjoying the music you love.

Choose from a slick black or a glossy white...

The Allegro has better bass extension and definition, better dynamic range, and a smoother, more continuous voice than the crop of small monitors.  Placed in an appropriate room, I can’t think of a speaker this size I’d enjoy more. Ω 

Read full review here


At Sonner Audio, our focus is on providing you sound quality that is authentic and emotionally rich. Our Creative Development Team finely tunes each speaker beyond computer modeling and simulation, with extensive human listening tests to bring a completely unique, realistic and dynamic experience to fellow music enthusiasts like you.


Compare the specifications of our competitors, but notice the difference in sound.
Only Sonner Audio speakers offer this level of attainable realism.  

True Audiophile Exclusive 

Buy together with an Audion Special Edition 300B and save 10% of the combined cost.



  • 2-way stand mounted; ported box design.
  • State of the art ring dome diagram tweeter, magnesium cone woofer and high quality crossover components works in harmony with our Symmetrical Panoramic Design crossover network for a realistic sound stage.
  • One piece molded curve cabinet design with aluminum front baffle.


  • Tweeter: 1 inch Ring Dome Diaphragm
  • Woofer: 6 inch custom design magnesium cone


  • Crossover point: 2 KHz
  • Symmetrical Panoramic Design
  • Premium Grade Components

Frequency range:

  • 43Hz – 23 KHz

Nominal Impedance:

  • 8 Ohm

Minimum impedance:

  • 5.5 Ohm

Recommended Power Amplifier:

  • 3W to 250W

Recommended Stand Height:

  • 26 inch


Sonner Audio Allegro MkII Reference speakers courtesy True Audiophile.

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Width: 13.00
Height: 19.00
Depth: 23.00
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